CN102490588A - Plug-in hybrid driving device based on mechanical automatic transmission - Google Patents

Plug-in hybrid driving device based on mechanical automatic transmission Download PDF

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CN102490588A
CN102490588A CN2011103959219A CN201110395921A CN102490588A CN 102490588 A CN102490588 A CN 102490588A CN 2011103959219 A CN2011103959219 A CN 2011103959219A CN 201110395921 A CN201110395921 A CN 201110395921A CN 102490588 A CN102490588 A CN 102490588A
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gear
power
synchro
driving
engine
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CN102490588B (en
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陈虹
高炳钊
梁琼
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Qingdao Laiji Transmission System Technology Co., Ltd.
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Jilin University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

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Abstract

The invention relates to a plug-in hybrid driving device based on a mechanical automatic transmission, which belongs to a power driving device of walking machinery. The device comprises an engine, two motors, a two-gear mechanical automatic transmission, a main speed reducer and a differential mechanism, wherein the two-gear mechanical automatic transmission is composed of a mesh gear pair formed by gears of A, B, C, D, H, I, E and F, synchronizers of T and Q and shafts of M, N and O. Model switch of fuel power source driving, electric power source driving or hybrid source driving can be achieved by controlling the synchronizers of T and Q. The plug-in hybrid driving device has the advantages of being capable of effectively using efficient maneuvering areas of the engine and the motors, various in running models, capable of achieving driving synchronous speed regulation and unpowered interrupt control during gear shift, simple and compact in structure, small in axial size and suitable for front-engine front-driving arrangement form.

Description

Plug-in hybrid actuating device based on automatic speed changer for machine
Technical field
The present invention relates to a kind of plug-in hybrid actuating device, belong to a kind of Power Drive Unit of walking machine based on automatic speed changer for machine.
Background technology
How to reduce the energy resource consumption of automobile and the theme that environmental pollution becomes current automobile industry development.Hybrid power is considered to auto-industry and tackles one of the main countermeasure of the energy and environmental problem and the most real selection in the recent period.Especially in recent years the plug-in hybrid vehicle (plug-in hybrid electric vehicle) that proposes, this vehicle adopts pure electronic mode of operation within daily short range stroke (such as 40km), and night can be in family's power source charges then; When the length distance travel, then be operated in common hybrid mode.Plug-in hybrid has significantly reduced the CO in whole cycle of well-to-wheel again on the basis of present hybrid powertrain 2Quantity discharged and other exhaust emission, and reduced operating cost, be considered to the transmission system configuration that nearly a period of time has market potential very much.
Hybrid vehicle has three kinds of structural shapes of representative type (series connection SHV, parallelly connected PHV and series-parallel connection SPHV); Wherein, There is not direct mechanical connection between the driving engine of Series Hybrid-Power Vehicle and the drive wheel; Relatively be easy to this propulsion source is carried out optimal control, but because energy need pass through generating-electrically operated conversion always, whole driving efficiency is lower; The driving engine and the drive wheel of parallel hybrid electric have mechanical connection, but the direct drive car load, and driving efficiency is higher, but can't guarantee that driving engine always works in the best effort district; The series parallel hybrid power automobile has combined series connection and parallel advantage, can select best coupled modes according to whole vehicle state information, makes car load obtain best performance.
Along with the development of control technology and manufacturing technology, some hybrid vehicles are more prone to the series parallel hybrid power automobile.The power coupling mechanism of present existing series-parallel connection form has sun and planet gear [the CN 100404298C of Toyota], diff [CN1012-4919], AMT automatic machincal transmission forms such as [the CN 100523549C of Tongji University].The power coupling mechanism that sun and planet gear and diff constitute can cause idle electricity circulation, and cal val is bigger during high-speed operation.AMT automatic machincal transmission is a meshed transmission gear in upright arrangement, and structure is simple relatively, handling ease, and cost is lower, and the driving efficiency of gear mesh in upright arrangement is higher.
On the other hand, adopt on the number of motors, plug-in hybrid-power automobile adopts one or two motors to constitute electricity usually and drives and energy recovery.The mechanism of a motor requires power of motor bigger, yet the most of the time pure motor driving power in the urban district is low, can't make machine operation in efficient district, does not give full play to the advantage of hybrid power.When adopting two motors, motor just can be selected less power, when low speed, can satisfy the dynamic property of automobile, makes two motors be operated in high efficiency region simultaneously again, gives full play to the advantage of hybrid power.During high speed, mainly by engine drive, engine operation is in efficient district, and economy and dynamic property all are greatly improved.
It is thus clear that from arranging the angle of compact and cost, the integration that utilizes automatic speed changer for machine to carry out the double-motor hybrid drive system is a kind of reasonable mode, its driving efficiency is high, and more model selection is arranged.And handling ease, cost is lower, is adapted at China and applies.Although traditional automatic speed changer for machine the power interruption phenomenon can occur when gearshift; Influence vehicle power property, economy and shift quality; Yet adopt double-motor when gearshift, can realize active synchronization speed governing and power failure-free control; Remedy the orthodox car speed-change process because the sudden change of the output torque that the sudden change of speed ratio causes and the sudden change of engine speed to realize the continuous output of torque, improve the Combination property of change-speed box.
Summary of the invention
Technical matters of the present invention is that a kind of compact conformation will be provided, and can carry out the switching of drive pattern, has the plug-in hybrid actuating device based on automatic speed changer for machine of the function of shift again.
In order to solve above technical matters, the invention provides a kind of plug-in hybrid actuating device based on automatic speed changer for machine, comprise fuel oil power, electric power and a clutch end.This device is provided with a driving engine 1, two motors (comprising that is mainly used in drive electric motor 11 and an electrical generator 7 that is mainly used in generating), two grades of automatic speed changer for machine, main reduction gear and difies.The engaging gear that two grades of automatic speed changer for machine are made up of gear A 5, B6, C4, D19, H14, I17, E9, F12 is to forming with synchro T8, Q18 and input shaft M3, axle N10, O13; Engine output shaft links to each other with input shaft M3 through damping spring 2; Electrical motor 11 output shafts link to each other with axle N10, and electrical generator 7 output shafts are through the engagement of the gear H14 on (gear A 5, B6) transmission of one-level idle pulley and the input shaft M3, and said gear H14 is connected with diff 16 through gear I17; Said synchro T8 switches between gear E9 on the axle N10 and the gear C 4 on the input shaft M3, and the gear D 19 on said synchro Q18 and the axle O13 combines or separates.The purpose that increases the transmission of one-level idle pulley is to prolong radical length, provides sufficient size that electrical generator is installed.Realize that through control synchro T8, Q18 fuel oil drive power source, electric power source drive or the switching of hybrid power source drive pattern.
Advantage of the present invention is effectively to utilize the high-efficient operation district of driving engine, motor; Operational mode is many, active synchronization speed governing in the time of realizing gearshift and power failure-free control; Simple and compact for structure, axial dimension is little, is fit to preposition forerunner's arrangement form.
The transmitting ratio of two gears of two grades of automatic speed changer for machine is set to the top-gear ratio of traditional mechanical automatic transmission with hydraulic torque converter, comprises a high speed gear and a high range overdrive gear.When purpose is high vehicle speeds, makes the fuel oil propulsion source can directly export driving power efficiently, and needn't pass through generating-electrically operated transformation of energy.The axial dimension of two-speed transmission is little, and structure is very compact.
When battery electric quantity was sufficient, system works was at electric-only mode, and this moment, two motors all can perhaps reclaim braking energy by outputting power to the transmission output shaft carry-over moment.Because the most of the time of vehicle road traveling in the urban district is very low to power requirement, therefore can only adopt the electrical motor operation, make it be operated in the high-efficient operation district.Need brish acceleration, export when high-power, can two motor outputting powers simultaneously, satisfy the requirement of accelerating ability.It is thus clear that the present invention adopts two motors to drive as electric power source, can under the prerequisite that guarantees the vehicle accelerating ability ability, improve the driving efficiency that electric power source drives.
When battery charge level SOC<SOC_low (such as 0.3), system gets into the mode of operation of common hybrid vehicle.Again can be divided into low speed driving and run at high speed two kind situations according to the speed of a motor vehicle height this moment.
When the speed of a motor vehicle was low, the engine drives generator for electricity generation drove power by electrical motor output then.During the vehicle low cruise, battery charge level SOC remains on a scope, during battery charge level SOC>SOC_high (such as 0.5); Then kill engine, generation outage is during battery charge level SOC<SOC_low (such as 0.3); Then start the engine begins generating.During the acceleration capability that the anxious step on the accelerator of chaufeur when if the speed of a motor vehicle is low, motor can't meet requirementses, then let two synchros actions, the electrical generator of generating usefulness also is attached to replenishes not enough power on the transmission output shaft.
If the speed of a motor vehicle is higher, driving engine can be through a gear outputting power in the two-speed transmission to transmission output shaft.Preferential assurance this moment engine operation is in efficient district, and this can absorb through the electrical generator near driving engine or replenish engine power and realize.Because this moment, three propulsions source linked with input shaft simultaneously, therefore can realize good high speed dynamic property.During the vehicle high-speed cruising; Battery charge level SOC remains on a scope, during battery charge level SOC>SOC_high, then preferentially adopts motor-driven; During battery charge level SOC<SOC_low, then preferentially adopt engine drive and with unnecessary dynamic power storage.When needing gear shift, gear-change operation is accomplished in the synchro action that the transference driving engine connects.In the engine power interrupt procedure, replenish expectation moment during gear shift, realize power failure-free gear shift by electrical motor.Dynamic property, ride comfort and the fuel economy of automobile have been improved.
In addition, the motor that electric power source drives can forward and reversely rotate, and realizes reverse travel during backward rotation.
Implement the braking energy take-back model in the electric power source drive pattern, promptly mouth is former input end, i.e. electrical motor; Input end is former mouth, i.e. the rotating speed of wheel, and electrical motor becomes generating state by driving condition, and energy is from the wheel to the motor.The realization braking energy reclaims.
The present invention has cancelled the power-transfer clutch of traditional mechanical automatic transmission with hydraulic torque converter.Engine power directly outputs to two-speed transmission through flywheel and damping spring.The cancellation power-transfer clutch has further reduced axial dimension, makes the present invention can be applicable to the vehicle of preposition forerunner's arrangement form.The cancellation power-transfer clutch is that gear shift control brings difficulty; Yet adopt up-to-date engine technology (for example controlling throttle gate, spark advance angle, oil-break and air valve variation regularly) can realize quick engine governed speed (raising speed and reduction of speed); Can replenish the moment that lacks by motor during adding power interruption; Therefore the present invention still can guarantee shift quality under the condition of cancellation conventional truck power-transfer clutch, realizes good dynamic property and traveling comfort.
The present invention drives engine starting through the electrical generator near driving engine, has cancelled traditional engine starting motor.Owing to more much bigger than traditional engine starting power of motor, can realize the function of driving engine rapid starting/stopping near the motor of driving engine.When needing engine starting, synchro on the transmission output shaft is thrown off, and with the synchro action that engine output shaft links, driving engine is connect mutually with motor near it.Then near the driven by motor engine starting of driving engine.Be typically chosen in vehicle the opportunity of engine starting at the uniform velocity or in the gentle acceleration process of going.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the power transmission line figure under electric-only mode and the low speed aero mode;
Fig. 3 is the power transmission line figure of low speed driving pattern;
Fig. 4 is the power transmission line figure of the superfluous pattern of high speed gear power;
Fig. 5 is the power transmission line figure of high speed gear underproof pattern;
Fig. 6 is the power transmission line figure of high range overdrive gear driving mode;
Fig. 7 is the power transmission line figure of braking mode;
Label declaration among the figure:
The 1-driving engine; The 2-damping spring; 3-input shaft M; The 4-gear C; The 5-gear A; The 6-gear B; The 7-electrical generator; 8-synchro T; 9-gear E; 10-axle N; The 11-electrical motor; 12-gear F; 13-axle O; 14-gear H; The 15-semiaxis; The 16-diff; 17-gear I; 18-synchro Q; The 19-gear D
The specific embodiment
Consult accompanying drawing, the present invention is done further description.
Consult Fig. 1; The invention provides a kind of plug-in hybrid actuating device based on automatic speed changer for machine; Comprise fuel oil power, electric power and a clutch end; This device is provided with a driving engine, two motors (comprising that is mainly used in drive electric motor 11 and an electrical generator 7 that is mainly used in generating), two grades of automatic speed changer for machine, main reduction gear and difies.Two grades of automatic speed changer for machine comprise engaging gear that gear A 5, B6, C4, D19, H14, I17, E9, F12 form to synchro T8, Q18, input shaft M3, axle N10, axle O13.The output shaft of driving engine 1 links to each other with input shaft M3 through damping spring 2; The output shaft of electrical motor 11 links to each other with axle N10; The output shaft of electrical generator 7 is through the transmission and 4 engagements of the gear C on the input shaft M3 of the gear A (5) and the gear B 6 of one-level idle pulley gear, and said gear H14 is connected with diff 16 through gear I17; Said synchro T8 switches between gear E9 on the axle N10 and the gear C 4 on the input shaft M3, and said synchro Q18 goes up with gear D 19 combinations with axle O13 or separates.The purpose that increases the transmission of one-level idle pulley is to prolong radical length, provides sufficient size that electrical generator 7 is installed.Realize that through control synchro T8, Q18 fuel oil drive power source, electric power source drive or the switching of hybrid power source drive pattern.
Advantage of the present invention is effectively to utilize the high-efficient operation district of driving engine, motor; Operational mode is many, active synchronization speed governing in the time of realizing gearshift and power failure-free control; Simple and compact for structure, axial dimension is little, is fit to preposition forerunner's arrangement form.
The transmitting ratio of two gears of two grades of automatic speed changer for machine is set to the top-gear ratio of traditional mechanical automatic transmission with hydraulic torque converter, is divided into a high speed gear and a high range overdrive gear.The high speed gear transmission is made up of gear E9, F12 engagement, and the high range overdrive gear transmission is made up of gear C 4, D19 engagement.These two gears can make the engine power source can directly export driving power efficiently, and needn't pass through generating-electrically operated transformation of energy when high vehicle speeds.The axial dimension of two-speed transmission is little, and structure is very compact.
The present invention is coupled three propulsions source through this two-speed transmission, and following mode of operation can be provided.
Pure motorized motions pattern: consult Fig. 2; When battery electric quantity is sufficient; System works is in pure motorized motions pattern, and this moment, synchro T8 did not combine, and a synchro Q18 left side combines; Power transmission line is consulted shown in the figure heavy line: through gear A 5, gear B 6, gear C 4, gear D 19, gear H14, I17, diff 16, by semiaxis 15 outputs; Electrical motor 11 power transmission lines are: through gear E9, gear F12, gear H14, gear I17 and diff 16, by semiaxis 15 outputs. Electrical generator 7,11 can forward and reversely rotate, and the realization reverse gear is gone during backward rotation.The most of the time of going in the urban district can only be adopted electrical motor 11 operations, makes it be operated in the high-efficient operation district.Need brish acceleration, export when high-power, electrical generator 7 and electrical motor 11 be outputting power simultaneously, satisfies the requirement of accelerating ability.It is thus clear that the present invention can improve the driving efficiency that electric power source drives under the prerequisite that guarantees the vehicle accelerating ability ability.
When battery charge level SOC<SOC_low, system gets into the mode of operation of common hybrid vehicle.Again can be divided into low speed driving and run at high speed two kind situations according to the speed of a motor vehicle height this moment.
Low speed driving can be divided into low speed driving pattern and low speed aero mode.
The low speed driving pattern: when the speed of a motor vehicle was low, engine drives drove power by electrical motor 11 outputs then near its electrical generator 7 generatings.This moment, a synchro T8 left side combined, and synchro Q18 does not combine.During the vehicle low cruise, battery charge level SOC is maintained at a scope.During SOC>SOC_high (such as 0.5), then kill engine, transfer to pure motorized motions pattern.Start the engine then during SOC<SOC_low (such as 0.3) begins generating.The power transmission line of low speed driving pattern is consulted shown in Fig. 3 heavy line: the gear A 5 of driving engine on gear C 4, gear B 6 and electrical generator 7 begins generating, and the power transmission line of low speed driving pattern: electrical motor 11 is through gear gear E9, gear F12, gear H14, gear I17 and diff 16 and semiaxis 15 outputting powers.
Low speed aero mode: if the anxious step on the accelerator of chaufeur when the speed of a motor vehicle is low during acceleration capability that electrical motor 11 can't meet requirements, then lets electrical generator 7 be attached to as electrical motor and replenishes not enough power on the transmission output shaft.This moment, synchro T did not combine, and a synchro Q18 left side combines.After vehicle quickened to accomplish, device returned the low speed driving pattern.The power transmission line of low speed aero mode is identical with pure motorized motions pattern, consults Fig. 2.
Run at high speed and to be divided into the superfluous pattern of high speed gear power, high speed gear underproof pattern and high range overdrive gear driving mode.
The superfluous pattern of high speed gear power: running car is when high speed gear; Synchro T8 is right to be combined; A synchro Q18 left side combines, and driving engine can the independent drive automobile, power transmission line: engine power is through gear E9, gear F12, gear H14, gear I17, by diff 16 and semiaxis 15 outputs; Electrical generator 7 generatings absorbed excess power when power was superfluous, and power transmission line is consulted Fig. 4: the driving engine excess power is through gear E9, gear F12, gear H14, gear D 19, gear C 4, gear B 6 and 7 generatings of gear A 5 input electrical generators.
During high speed gear power surplus mode operation; Battery charge level SOC remains on a scope; During battery charge level SOC<SOC_low, then adopt engine drive and, during battery charge level SOC>SOC_high with unnecessary dynamic power storage; Then kill engine, the device operational mode is transferred to pure motorized motions pattern.
High speed gear underproof pattern: running car is when high speed gear; Synchro T8 is right to be combined; A synchro Q18 left side combines, and driving engine can the independent drive automobile, and engine power is through gear E9, gear F12, gear H14, gear I17, by diff 16 and semiaxis 15 outputs; When moving rate is not enough; Electrical generator 7, electrical motor 11 compensation drive torques; Power transmission line is consulted Fig. 5: electrical generator 7 is through gear gear A5, gear B 6, gear C 4, gear E9, gear F12, gear H14, gear I17, by diff 16 and semiaxis 15 output compensation drive torques; Electrical motor 11 is through gear E9, gear F12, gear H14, gear I17, by diff 16 and semiaxis 15 output compensation drive torques.This moment, three propulsions source linked with transmission output shaft simultaneously, therefore can realize good high speed dynamic property.High speed gear underproof pattern usually occurs in operating modes such as acceleration at a high speed, high speed climbing, and general persistence can be not oversize, after quickening completion or climbing completion, installs by high speed gear underproof mode switch to the superfluous pattern of high speed gear power.If extreme case takes place, for example vehicle is always in climbing at a high speed, and after battery power consumption arrived to a certain degree, recognizer can't continue to keep high-speed cruising, installs by high speed gear underproof mode switch to the low speed driving pattern.
The high range overdrive gear driving mode: running car is when high range overdrive gear, and a synchro T8 left side combines, and a synchro Q18 left side combines, and three propulsions source link with transmission output shaft simultaneously.Driving engine 1 power transmission line is consulted Fig. 6 heavy line: through gear C 4 gear Ds 19 gear H14 gear I17, by diff 16 and semiaxis 15 outputs; Electrical generator 7 power transmission lines are: through gear A 5, B6, C4, D19, H14, I17, diff 16, by semiaxis 15 outputs; Electrical motor 11 power transmission lines are: through gear E9, gear F12, gear H14, gear I17, by diff 16 and semiaxis 15 outputs.High range overdrive gear goes generally by the driving engine independent drive, and when needs were high-power, electrical generator 7, electrical motor 11 inserted, and motor and driving engine are united driving.After the high-performance operating mode of needs finishes, forward driving engine isolated operation state immediately to.If extreme case takes place; Need high-performance operating mode to keep always; For example vehicle goes at the high range overdrive gear hyper-speed always, and when battery charge level SOC<SOC_low, recognizer can't continue to keep the hyper-speed operation; Device cuts off the takeoff output of motor by force, changes by the driving engine independent drive.
Braking mode: the various patterns except above driving are operated in braking mode during automobile brake.Wheel drawing generator 7, electrical motor 11 generatings charge the battery.Power transmission line is consulted Fig. 7 heavy line.Specifically be to be relevant with the operational mode of stepping on glancing impact by which electric power generation in electrical generator 7, the electrical motor 11.If glancing impact, a synchro Q18 left side combines, and then selects electrical generator 7 to generate electricity, and power is through semiaxis 15, diff 16, gear I17, gear H14, gear D 19, gear C 4, gear B 6 and 7 generatings of gear A 5 drawing generators; If synchro Q18 separates, then preferentially select for use electrical motor 11 to generate electricity, power is through semiaxis 15, diff 16, gear I17, gear H14, gear F12 and 11 generatings of gear E9 drawing generator.
It more than is the explanation of all operational modes of the present invention.Except operational mode separately, handoff procedure is also explained at this between pattern, thereby makes the advantage of invention and reasonableness more outstanding.
Shift process: when changing to high range overdrive gear, need to accomplish actions such as engine moment reduces, synchro T8 withdraws from right combination, driving engine synchronous variable-speed, synchro T8 left side combination, driving engine 1 moment recovery by high speed gear.When changing to high speed gear, need to accomplish actions such as driving engine 1 moment reduces, synchro T8 withdraws from left side combination, driving engine 1 synchronous variable-speed, the right combination of synchro T8, engine moment recovery by high range overdrive gear.Synchro T8 withdraws from the power interruption process of combination, by electrical generator 7, electrical motor 11 instantaneous additional high drive squares, keeps propulsive effort.The cancellation power-transfer clutch is that gear shift control brings difficulty; Yet adopt up-to-date engine technology (for example controlling throttle gate, spark advance angle, oil-break and air valve variation regularly) can realize quick engine governed speed (raising speed and reduction of speed); Can replenish the moment that lacks by motor during adding power interruption; Therefore the present invention still can guarantee shift quality under the condition of cancellation conventional truck power-transfer clutch, realizes good dynamic property and traveling comfort.
The mode switch process: have multiple handoff procedure between above each pattern, specifically comprise electric-only mode to the switching of non-electric-only mode, non-electric-only mode to the switching of electric-only mode and the switching between the non-electric-only mode.Wherein each mode switch comprises multiple segmentation mode switch again.Just list the mode switch process of act vehicle in the brish acceleration process at this and explain in detail, because the present invention is based on automatic speed changer for machine, the brish acceleration process can test practicality of the present invention and reasonableness.Other mode switch processes can be analogized.
Vehicle carries out the process of brish acceleration from dead ship condition: vehicle opens car with electric-only mode, and operational mode is consulted Fig. 2.Because be plug-in hybrid-power automobile, capacity of cell is bigger, and the required electric weight of accelerator can be provided one time fully, and the brish acceleration process undesired mode that therefore begins from dead ship condition switches, and can utilize electric-only mode to accomplish accelerator.
Vehicle carries out the process of brish acceleration from lower-speed state: low vehicle speeds is when low speed driving pattern shown in Figure 3, and engine drives electrical generator 7 generates electricity electrical motor 11 drive wheels.If the anxious step on the accelerator of chaufeur this moment needs vehicle to switch to electric-only mode shown in Figure 2.At this moment, need to accomplish that engine moment reduces, synchro T withdraws from a left side combinations, actions such as electrical generator 7 synchronous variable-speeds, a synchro Q18 left side combine, electrical generator 7 increase moments.Along with the development of motor-driven technology, the electric machine speed regulation process can be accomplished in very short time.And in the process of electrical generator 7 speed governing, electrical motor 11 can output power, prevents that chaufeur from feeling response lag.
The process that vehicle is overtaken other vehicles from fast state: driving engine is connected to high speed gear or high range overdrive gear through synchro T8 during high vehicle speeds, the superfluous pattern of Fig. 4 high speed gear power for example, and driving engine is through the high speed gear outputting power.When overtaking other vehicles, need switch to Fig. 5 high speed gear underproof pattern.This moment, electrical generator 7 forwarded electric driving condition to from generating state, and this process does not relate to the synchro action, belongs to electrically operated electrodeless variable-speed process, did not have the power interruption phenomenon to take place.
Can find out that from top explanation good effect of the present invention is to make full use of the high-efficient operation district of driving engine, motor, and not loss of dynamic property, can realize power failure-free gear shift and mode switch.

Claims (10)

1. plug-in hybrid actuating device based on automatic speed changer for machine; Comprise fuel oil power, electric power and a clutch end; It is characterized in that; Said device is provided with a driving engine, two motors, two grades of automatic speed changer for machine, main reduction gear and difies; Said two motors comprise that one is mainly used in drive electric motor (11) and an electrical generator (7) that is mainly used in generating, said two grades of automatic speed changer for machine comprise engaging gear that gear A (5), gear B (6), gear C (4), gear D (19), gear H (14), gear I (17), gear E (9), gear F (12) form to synchro T (8), synchro Q (18), input shaft M (3), axle N (10), axle O (13); The output shaft of said driving engine (1) links to each other with input shaft M (3) through damping spring (2); The output shaft of electrical motor (11) links to each other with axle N (10), and the output shaft of electrical generator (7) is through the transmission and the engagement of the gear C (4) on the input shaft M (3) of the gear A (5) and the gear B (6) of one-level idle pulley; Said synchro T (8) switches between gear E (9) on the axle N (10) and the gear C (4) on the input shaft M (3); Said synchro Q (18) combines with gear D (19) on axle O (13) or separates, and gear H (14) passes through gear I (17) and is connected with diff (16); The effect that increases the transmission of said one-level idle pulley is to prolong radical length, provides sufficient size that electrical generator (7) is installed, through control synchro T (8) and the switching of Q (18) to fuel oil drive power source, electric power source driving or hybrid power source drive pattern.
2. a kind of plug-in hybrid actuating device according to claim 1 based on automatic speed changer for machine; It is characterized in that; The transmitting ratio of two gears of said two grades of automatic speed changer for machine is set to the top-gear ratio of traditional mechanical automatic transmission with hydraulic torque converter, is divided into a high speed gear and a high range overdrive gear, and said high speed gear transmission is made up of gear E (9) and gear F (12) engagement; Said high range overdrive gear transmission is made up of gear C (4) and gear D (19) engagement; These two gears can efficiently directly be exported the engine power source and are driven power, and needn't pass through generating-electrically operated transformation of energy when high vehicle speeds.
3. a kind of plug-in hybrid actuating device according to claim 1 and 2 based on automatic speed changer for machine; It is characterized in that; Through said two grades of automatic speed changer for machine three propulsions source are coupled; Following mode of operation is provided: when battery electric quantity was sufficient, system works was in pure motorized motions pattern; When battery charge level SOC<SOC_low; SOC_low is 0.3; System gets into the mode of operation of common hybrid vehicle; Just be divided into low speed driving and run at high speed two kind situations according to the speed of a motor vehicle this moment, and low speed driving is divided into low speed driving pattern and low speed aero mode, runs at high speed to be divided into the superfluous pattern of high speed gear power, high speed gear underproof pattern and high range overdrive gear driving mode; Be operated in braking mode during automobile brake.
4. a kind of plug-in hybrid actuating device according to claim 3 based on automatic speed changer for machine; It is characterized in that; Said pure motorized motions pattern: synchro T (8) does not combine; Synchro Q (a 18) left side combines, and electrical generator (7) power transmission line is: through gear A (5), gear B (6), gear C (4), gear D (19), gear H (14), I (17), diff (16), exported by semiaxis (15); Electrical motor (11) power transmission line is: through gear E (9), gear F (12), gear H (14), gear I (17) and diff (16), exported by semiaxis (15); Electrical generator (7) and electrical motor (11) can forward and reversely rotate; The realization reverse gear is gone during backward rotation; The most of the time of going in the urban district is only adopted electrical motor (11) operation, makes it be operated in the high-efficient operation district, needs brish acceleration; Export when high-power, electrical generator (7) and electrical motor (11) be outputting power simultaneously.
5. a kind of plug-in hybrid actuating device based on automatic speed changer for machine according to claim 3 is characterized in that said low speed driving pattern: when the speed of a motor vehicle is low; Engine drives drives power by electrical motor (11) output then near its electrical generator (7) generating, and synchro T this moment (a 8) left side combines; Synchro Q (18) does not combine; Battery charge level SOC remains on a scope, and during battery charge level SOC>SOC_high, SOC_high is 0.5; Then kill engine; Transfer to pure motorized motions pattern, during battery charge level SOC<SOC_low, SOC_low is 0.3 start the engine; Gear A (5) on gear C (4), gear B (6) and electrical generator (7) begins generating, and the power transmission line of low speed driving pattern: electrical motor (11) is through gear gear E (9), gear F (12), gear H (14), gear I (17) and diff (16) and semiaxis (15) outputting power.
6. a kind of plug-in hybrid actuating device according to claim 3 based on automatic speed changer for machine; It is characterized in that said low speed aero mode: if the anxious step on the accelerator of chaufeur when the speed of a motor vehicle is low, during acceleration capability that electrical motor (11) can't meet requirements; Then let electrical generator (7) be attached to and replenish not enough power on the transmission output shaft as electrical motor; Synchro T this moment (8) does not combine, and synchro Q (a 18) left side combines, after vehicle quickens to accomplish; Device returns the low speed driving pattern, and the power transmission line of low speed aero mode is identical with pure motorized motions pattern.
7. a kind of plug-in hybrid actuating device according to claim 3 based on automatic speed changer for machine; It is characterized in that; The superfluous pattern of said high speed gear power: running car is when high speed gear, and synchro T (8) is right to be combined, and synchro Q (a 18) left side combines; Driving engine independent drive automobile, power transmission line: engine power is through gear E (9), gear F (12), gear H (14), gear I (17), by diff (16) and semiaxis (15) output; Electrical generator (7) generating absorbed excess power when power was superfluous: the driving engine excess power is through gear E (9), gear F (12), gear H (14), gear D (19), gear C (4), gear B (6) and gear A (5) input electrical generator (7) generating;
When high speed gear power surplus mode operation; Battery charge level SOC remains on a scope; During battery charge level SOC<SOC_low, then adopt engine drive and, during battery charge level SOC>SOC_high with unnecessary dynamic power storage; Then kill engine, the device operational mode is transferred to pure motorized motions pattern.
8. a kind of plug-in hybrid actuating device according to claim 3 based on automatic speed changer for machine; It is characterized in that; Said high speed gear underproof pattern: running car is when high speed gear, and synchro T (8) is right to be combined, and synchro Q (a 18) left side combines; Driving engine independent drive automobile, engine power is through gear E (9), gear F (12), gear H (14), gear I (17), by diff (16) and semiaxis (15) output; During underproof; Electrical generator (7) and electrical motor (11) compensation drive torque; Power transmission line: electrical generator (7) is through gear gear A (5), gear B (6), gear C (4), gear D (19), gear H (14), gear I (17), by diff (16) and semiaxis (15) output compensation drive torque, and electrical motor (11) is through gear E (9), gear F (12), gear H (14), gear I (17), and output compensates drive torque with semiaxis (15) by diff (16); This moment, three propulsions source linked with input shaft simultaneously; At extreme case, recognizer can't continue to keep high-speed cruising, installs by high speed gear underproof mode switch to the low speed driving pattern.
9. a kind of plug-in hybrid actuating device based on automatic speed changer for machine according to claim 3 is characterized in that said high range overdrive gear driving mode: running car is when high range overdrive gear; Generally by the driving engine independent drive, when needs were high-power, electrical generator (7), electrical motor (11) inserted; Motor and driving engine are united driving, and synchro T (a 8) left side combines, and synchro Q (a 18) left side combines; Three propulsions source link with transmission output shaft simultaneously; Motor and driving engine are united driving, and driving engine (1) power transmission line is: through gear C (4) gear D (19) gear H (14) gear I (17), by diff (16) and semiaxis (15) output; Electrical generator (7) power transmission line is: through gear A (5), B (6), C (4), D (19), H (14), I (17), diff (16), exported by semiaxis (15); Electrical motor (11) power transmission line is: through gear E (9), gear F (12), gear H (14), gear I (17), by diff (16) and semiaxis (15) output; After the high-performance operating mode of needs finishes, forward driving engine isolated operation state immediately to; Keep in the high-performance operating mode of needs, when battery charge level SOC<SOC_low, recognizer can't continue to keep the hyper-speed operation always, and device cuts off the takeoff output of motor by force, changes by the driving engine independent drive.
10. a kind of plug-in hybrid actuating device according to claim 3 based on automatic speed changer for machine; It is characterized in that said braking mode: wheel drawing generator (7), electrical motor (11) generating charge the battery; When stepping on glancing impact; Synchro Q (a 18) left side combines, and then selects electrical generator (7) generating, and power is through semiaxis (15), diff (16), gear I (17), gear H (14), gear D (19), gear C (4), gear B (6) and gear A (5) drawing generator (7) generating; When synchro Q (18) separates, then select electrical generator (11) generating, power is through semiaxis (15), diff (16), gear I (17), gear H (14), gear F (12) and gear E (9) drawing generator (11) generating.
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